Cylindrical Spring, Connection Type/Size 2 3/4 in Corrugated Tubing, Compatible Nominal Size 2 3/4 in, Corrugated Tubing Fitting Material Polyamide 6, Fitting Length 30 in, Nominal Size 2 3/4 in, Tubing Size 2.756 in, Chemical Resistant Yes, For Use With Corrugated Tubing, Corrugated Tubing Fitting Color Gray, Self Extinguishing Yes, Standards REACH, Temp. Range -40 Degrees to 221 Degrees F, Fitting Height 4.07 in, Fitting Width 4.07 in, Max. Operating Temperature 221 Degrees F This chemical-resistant, steel cylindrical spring is designed for use with Reiku corrugated tubing, available separately.